X-Git-Url: https://granicus.if.org/sourcecode?a=blobdiff_plain;f=src%2Fbackend%2Futils%2Finit%2Fglobals.c;h=4b66bd3e358bb8aea34b165f6ab47477e022305d;hb=e126958c2efdfc2d60b978d1fc7a780ff647e8ad;hp=c5d4282007fe0f6810c0466bfb9b0e8dabc4edb3;hpb=f4921e5ca38aac1214854e7226e8bb3291d60485;p=postgresql

diff --git a/src/backend/utils/init/globals.c b/src/backend/utils/init/globals.c
index c5d4282007..4b66bd3e35 100644
--- a/src/backend/utils/init/globals.c
+++ b/src/backend/utils/init/globals.c
@@ -3,12 +3,12 @@
  * globals.c
  *	  global variable declarations
  *
- * Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/utils/init/globals.c,v 1.78 2004/01/26 22:51:56 momjian Exp $
+ *	  src/backend/utils/init/globals.c
  *
  * NOTES
  *	  Globals used all over the place should be declared here and not
@@ -18,56 +18,115 @@
  */
 #include "postgres.h"
 
+#include "catalog/objectaccess.h"
 #include "libpq/pqcomm.h"
 #include "miscadmin.h"
 #include "storage/backendid.h"
 
 
-ProtocolVersion FrontendProtocol = PG_PROTOCOL_LATEST;
+ProtocolVersion FrontendProtocol;
 
 volatile bool InterruptPending = false;
 volatile bool QueryCancelPending = false;
 volatile bool ProcDiePending = false;
+volatile bool ClientConnectionLost = false;
 volatile bool ImmediateInterruptOK = false;
 volatile uint32 InterruptHoldoffCount = 0;
 volatile uint32 CritSectionCount = 0;
 
 int			MyProcPid;
+pg_time_t	MyStartTime;
 struct Port *MyProcPort;
 long		MyCancelKey;
+int			MyPMChildSlot;
 
+/*
+ * DataDir is the absolute path to the top level of the PGDATA directory tree.
+ * Except during early startup, this is also the server's working directory;
+ * most code therefore can simply use relative paths and not reference DataDir
+ * explicitly.
+ */
 char	   *DataDir = NULL;
 
- /*
-  * The PGDATA directory user says to use, or defaults to via environment
-  * variable.  NULL if no option given and no environment variable set
-  */
+char		OutputFileName[MAXPGPATH];	/* debugging output file */
 
-char		OutputFileName[MAXPGPATH];
+char		my_exec_path[MAXPGPATH];	/* full path to my executable */
+char		pkglib_path[MAXPGPATH];		/* full path to lib directory */
 
-char		pg_pathname[MAXPGPATH];		/* full path to postgres
-										 * executable */
+#ifdef EXEC_BACKEND
+char		postgres_exec_path[MAXPGPATH];		/* full path to backend */
 
-BackendId	MyBackendId;
+/* note: currently this is not valid in backend processes */
+#endif
+
+BackendId	MyBackendId = InvalidBackendId;
 
-char	   *DatabasePath = NULL;
 Oid			MyDatabaseId = InvalidOid;
 
-pid_t PostmasterPid = 0;
+Oid			MyDatabaseTableSpace = InvalidOid;
 
-/* these are initialized for the bootstrap/standalone case: */
+/*
+ * DatabasePath is the path (relative to DataDir) of my database's
+ * primary directory, ie, its directory in the default tablespace.
+ */
+char	   *DatabasePath = NULL;
+
+pid_t		PostmasterPid = 0;
+
+/*
+ * IsPostmasterEnvironment is true in a postmaster process and any postmaster
+ * child process; it is false in a standalone process (bootstrap or
+ * standalone backend).  IsUnderPostmaster is true in postmaster child
+ * processes.  Note that "child process" includes all children, not only
+ * regular backends.  These should be set correctly as early as possible
+ * in the execution of a process, so that error handling will do the right
+ * things if an error should occur during process initialization.
+ *
+ * These are initialized for the bootstrap/standalone case.
+ */
 bool		IsPostmasterEnvironment = false;
 bool		IsUnderPostmaster = false;
+bool		IsBinaryUpgrade = false;
 
 bool		ExitOnAnyError = false;
 
 int			DateStyle = USE_ISO_DATES;
 int			DateOrder = DATEORDER_MDY;
+int			IntervalStyle = INTSTYLE_POSTGRES;
 bool		HasCTZSet = false;
 int			CTimeZone = 0;
 
 bool		enableFsync = true;
 bool		allowSystemTableMods = false;
-int			SortMem = 1024;
-int			VacuumMem = 8192;
+int			work_mem = 1024;
+int			maintenance_work_mem = 16384;
+
+/*
+ * Primary determinants of sizes of shared-memory structures.  MaxBackends is
+ * MaxConnections + autovacuum_max_workers + 1 (it is computed by the GUC
+ * assign hooks for those variables):
+ */
 int			NBuffers = 1000;
+int			MaxBackends = 100;
+int			MaxConnections = 90;
+
+int			VacuumCostPageHit = 1;		/* GUC parameters for vacuum */
+int			VacuumCostPageMiss = 10;
+int			VacuumCostPageDirty = 20;
+int			VacuumCostLimit = 200;
+int			VacuumCostDelay = 0;
+
+int			VacuumPageHit = 0;
+int			VacuumPageMiss = 0;
+int			VacuumPageDirty = 0;
+
+int			VacuumCostBalance = 0;		/* working state for vacuum */
+bool		VacuumCostActive = false;
+
+int			GinFuzzySearchLimit = 0;
+
+/*
+ * Hook on object accesses.  This is intended as infrastructure for security
+ * and logging plugins.
+ */
+object_access_hook_type object_access_hook = NULL;